Vacuum cleaner



FIG. 1 is a perspective view of a vacuum cleaner according to the design.

FIG. 2 is a front view of the vacuum cleaner of FIG. 1.

FIG. 3 is a back view of the vacuum cleaner of FIG. 1.

FIG. 4 is a first side view of the vacuum cleaner of FIG. 1.

FIG. 5 is a second (opposite) side view of the vacuum cleaner of FIG. 1.

FIG. 6 is an enlarged top view of the vacuum cleaner of FIG. 1; and,

FIG. 7 is an enlarged bottom view of the vacuum cleaner of FIG. 1.

The broken lines in the figures depict portions of the vacuum cleaner that form no part of the claimed design. 

CLAIM The ornamental design for a vacuum cleaner, substantially as shown and described. 